5.1 Vocabulary Focus 3

An island with no people is a

• desert island

• tropical island

• remote island

The opposite of rough seas is .................. seas.

The phrasal verb for becoming extinct is

• die out

• go out

• come across

What do we call a continuous movement of water?

Instead of a VERY BIG wave we can say a ............. wave.

• huge

• gigantic

• tidal

What do we call a group of mountains that usually forms a line? a mountain _ _ _ _ _

What's another word for the top of a mountain? a mountain _ _ _ _

What's the word for the land at the bottom of the sea?

• the seabed

• the seesaw

• a low tide

The opposite of slow-moving rivers is .................. rivers.

What does it mean that the tide is coming in?

• the tide is falling

• the tide is rising